Harvard University. Graduate School of Education. (1985). The Harvard education letter. Published by the Harvard Graduate School of Education in association with Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Harvard University. Graduate School of Education. The Harvard Education Letter. [Cambridge, MA]: Published by the Harvard Graduate School of Education in association with Harvard University Press, 1985.
Lua MLA (9ú heag.)Harvard University. Graduate School of Education. The Harvard Education Letter. Published by the Harvard Graduate School of Education in association with Harvard University Press, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.